3312064681 has 2 divisors, whose sum is σ = 3312064682. Its totient is φ = 3312064680.

The previous prime is 3312064673. The next prime is 3312064697. The reversal of 3312064681 is 1864602133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2486019600 + 826045081 = 49860^2 + 28741^2 .

It is a cyclic number.

It is not a de Polignac number, because 3312064681 - 2³ = 3312064673 is a prime.

It is a super-3 number, since 3×3312064681³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (3312064631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656032340 + 1656032341.

It is an arithmetic number, because the mean of its divisors is an integer number (1656032341).

Almost surely, 2^3312064681 is an apocalyptic number.

It is an amenable number.

3312064681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312064681 is an equidigital number, since it uses as much as digits as its factorization.

3312064681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3312064681 is about 57550.5402320430. The cubic root of 3312064681 is about 1490.6176861849.

The spelling of 3312064681 in words is "three billion, three hundred twelve million, sixty-four thousand, six hundred eighty-one".